<template>
  <div class="todo-header">
    <input type="text" placeholder="请输入你的任务名称，按回车键确认" @keyup.enter="add"/>
  </div>
</template>

<script>
  import {nanoid} from 'nanoid';
	export default {
		name: "MyHeader",
    data() {
			return {

      }
    },
    props: ['addTodo'],
    methods: {
			add(event) {
				// 将用户的输入内容封装成一个 todo对象
				// console.log(event.target.value);
				const todoObj = {
        	id: nanoid(),
          title: event.target.value,
          done: false
        };
				console.log(todoObj);
				if (todoObj.title.trim()) {
					// 通知App组件去添加一个todo对象
					this.addTodo(todoObj);
				}
				event.target.value = '';
			}
    }
	}
</script>

<style scoped>
  /*header*/
  .todo-header input {
    width: 560px;
    height: 28px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 7px;
  }

  .todo-header input:focus {
    outline: none;
    border-color: rgba(82, 168, 236, 0.8);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
  }

</style>
